Shelf rack



FIG. 1 is a front/right perspective view of a shelf rack showing our new design;

FIG. 2 is a front side view of FIG. 1;

FIG. 3 is a back side view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a top side view of FIG. 1; and,

FIG. 7 is a bottom side view of FIG. 1.

The surface shading illustrated in the drawings is provided merely to highlight the contour of the design; it is not intended to be illustrative of texture or gloss and forms no part of the claimed design. 

CLAIM The ornamental design for a shelf rack, as shown and described. 